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PDF V470H1-LH2 Data sheet ( Hoja de datos )
| Número de pieza | V470H1-LH2 | |
| Descripción | TFT LCD Module | |
| Fabricantes | CHI MEI | |
| Logotipo |  |
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Global LCD Panel Exchange Center
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Issue Date:Jul.06.2009
Model No.: V470H1-LH2
Apporval
TFT LCD Approval Specification
MODEL NO.: V470H1 – LH2
Customer: Nexgen
Approved by:
Note:
Approved By
TV Head Division
LY Chen
Reviewed By
QA Dept.
Hsin-nan Chen
Product Development Div.
WT Lin
-
LCD TV Marketing and Product Management Div
Prepared By
CY Chang TC Chao
1
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Issue Date:Jul.06.2009
Model No.: V470H1-LH2
Apporval
2. ABSOLUTE MAXIMUM RATINGS
2.1 ABSOLUTE RATINGS OF ENVIRONMENT
Item
Storage Temperature
Operating Ambient Temperature
Shock (Non-Operating)
Vibration (Non-Operating)
Symbol
TST
TOP
SNOP
X, Y axis
Z axis
VNOP
Value
Min. Max.
-20 +60
0 50
- 50
- 35
- 1.0
Unit Note
ºC (1)
ºC (1)(2)
G (3)(5)
G (3)(5)
G (4)(5)
Note (1) Temperature and relative humidity range is shown in the figure below.
(a) 90 %RH Max. (Ta Љ 40 ºC).
(b) Wet-bulb temperature should be 39 ºC Max. (Ta > 40 ºC).
(c) No condensation.
Note (2) The maximum operating temperature is based on the test condition that the surface temperature of
display area is less than or equal to 65 ºC with LCD module alone in a temperature controlled chamber.
Thermal management should be considered in your product design to prevent the surface temperature
of display area from being over 65 ºC. The range of operating temperature may degrade in case of
improper thermal management in your product design.
Note (3) 11 ms, half sine wave, 1 time for ± X, ± Y, and ± Z.
Note (4) 10 ~ 200 Hz, 10 min, 1 time each X, Y, Z.
Note (5) At testing Vibration and Shock, the fixture in holding the module has to be hard and rigid enough so that
the module would not be twisted or bent by the fixture.
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Issue Date:Jul.06.2009
Model No.: V470H1-LH2
Apporval
3.2.3 INVERTER INTERTFACE CHARACTERISTICS
Parameter
On/Off Control Voltage
Status Signal
Internal PWM Control
Voltage
External PWM Control
Voltage
Symbol
Test
Condition
ON
OFF
HI
LO
MAX
MIN
HI
LO
VBLON
States
VIPWM
VEPWM
Ё
Ё
Ё
Ё
Ё
Ё
Min.
2.0
0
3.0
0
3.15
Ё
2.0
0
Value
Typ.
Ё
Ё
3.3
Ё
0
Ё
Ё
Max.
5.0
0.8
3.6
0.8
5
Ё
5.0
0.8
Unit Note
V
V
V Normal
V Abnormal
V maximum duty ratio
V minimum duty ratio
V duty on
V duty off
VBL Rising Time
Tr1 Ё 30 Ё Ё ms 10%-90%VBL
VBL Falling Time
Tf1 Ё 30 Ё Ё ms
Control Signal Rising Time
Tr
Ё Ё Ё 100 ms
Control Signal Falling Time
Tf
Ё Ё Ё 100 ms
PWM Signal Rising Time
PWM Signal Falling Time
Input impedance
TPWMR
TPWMF
RIN
Ё
Ё
Ё
Ё Ё 50 us
Ё Ё 50 us
1 Ё Ё MӨ
PWM Delay Time
TPWM Ё 100
Ё ms
BLON Delay Time
BLON Off Time
Ton1
Ё
300 Ё
Ё ms
TOFF
Ё
300 Ё
Ё ms
Note (1) The Dimming signal should be valid before backlight turns on by BLON signal. It is inhibited to
change the internal/external PWM signal during backlight turn on period.
Note (2) The power sequence and control signal timing are shown in the following figure. For a certain
reason, the inverter has a possibility to be damaged with wrong power sequence and control
signal timing.
Note (3) While system is turned ON or OFF, the power sequences must follow as below descriptions:
Turn ON sequence: VBL Ш PWM signal Ш BLON
Turn OFF sequence: BLOFF Ш PWM signal Ш VBL
Note (4) In order to avoid the abnormal phenomenon at dimming condition, skipped range of VIPWM
2.85~3.15V is suggested.
11
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